BMW 4 Coupe Series Manual page 39

Radar sensors, side, rear
The radar sensors are located in the bumper.
System limits of the radar
sensors
The radar sensors may not be fully functional or
may not be available in the following situations:
▷ If sensors are dirty, such as due to icing.
▷ If sensors are covered, such as by labels,
films or a number plate baseplate.
▷ If the sensor is not aligned correctly, for in‐
stance due to parking damage.
▷ If the radiation range of the sensors is cov‐
ered, e.g., by protruding cargo.
▷ When the field of view of the sensors is cov‐
ered, e.g., by garage walls, hedges, snow hills,
vehicles or trailers.
▷ After improper paint work on the vehicle in
the area of the sensors.
▷ On steep hilltops or in sharp dips in the road.
If applicable, a Check Control message will be
displayed when the system limits are reached.
Sensors of the vehicle
Online Edition for Part no. 01405A392C9 - VI/21
Ultrasound sensors
Ultrasound sensors in the front/
rear bumpers
The ultrasound sensors of the
Park Distance Control PDC are lo‐
cated in the bumpers.
Ultrasonic sensors, side
The ultrasound sensors of the Automatic Parking
Assistant are located on the side of the vehicle.
System limits of the ultrasonic
sensors
The detection of objects with ultrasonic meas‐
urements can run into physical limits, e.g., in the
following situations:
▷ In case of dirty sensors.
▷ In case of covered sensors, such as due to la‐
bels.
▷ If the sensor is not aligned correctly, for in‐
stance due to parking damage.
▷ After improper paint work on the vehicle in
the area of the sensors.
▷ For small children and animals.
▷ For persons with certain clothing, for instance
jacket.
▷ In case of external interference of the ultra‐
sound, for instance from passing vehicles,
loud machines or other ultrasonic sources.
CONTROLS
39